Portable dental chair or similar article



FIG. 1 is a side elevational view of a portable dental chair or similar article showing my new design.

FIG. 2 is a rear elevational view thereof.

FIG. 3 is a bottom plan view thereof.

FIG. 4 is a top plan view thereof.

FIG. 5 is an elevational view of the side opposite to that shown in FIG. 1.

FIG. 6 is a front elevational view thereof. 

The ornamental design for a portable dental chair or similar article, substantially as shown and described. 